<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>tab栏切换</title>
    <link rel="stylesheet" href="tab切换.css">
    <script src="tab.js"></script>
</head>

<body>
    <div class="tab">
        <div class="tab_list">
            <ul>
                <li class="current">商品介绍</li>
                <li>规格包装</li>
                <li>售后保障</li>
                <li>商品评价</li>
                <li>手机社区</li>
            </ul>
        </div>
        <div class="tab_con">
            <div class="item" style="display:block">商品。。</div>
            <div class="item">规格。。</div>
            <div class="item">售后。。</div>
            <div class="item">评价。。</div>
            <div class="item">手机。。</div>
        </div>
    </div>

</body>

</html>